<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
		<!-- 轮播图区域 -->
		<swiper :indicator-dots="true" :autoplay="false" :duration="500" :circular="true">
			<swiper-item v-for="item,index in goods_info.pics" :key="index">
				<image :src="item.pics_big" @click="preview(index)"></image>
			</swiper-item>
		</swiper>
		<!-- 商品信息区域 -->
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="price">
				￥{{goods_info.goods_price | tofixed}}
			</view>
			<!-- 商品信息主体 -->
			<view class="goods-info-body">
				<!-- 商品名字 -->
				<view class="goods-name">
					{{goods_info.goods_name}}
				</view>
				<!-- 收藏 -->
				<view class="favi">
					<uni-icons type="star" size="18"></uni-icons>
					<text>收藏</text>
				</view>
			</view>

			<!-- 运费 -->
			<view class="yf">
				快递：免运费
			</view>
		</view>
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<!-- 商品导航区域 -->
		<view class="goods-nav">
			<uni-goods-nav :options="options" :fill="true" :button-group="buttonGroup" @click="onClick"
				@buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {
		mapState,
		mapMutations,
		mapGetters
	} from 'vuex'
	export default {
		data() {
			return {
				goods_info: {},
				options: [{
					icon: 'headphones',
					text: '客服'
				}, {
					icon: 'shop',
					text: '店铺',
					infoBackgroundColor: '#007aff',
					infoColor: "red"
				}, {
					icon: 'cart',
					text: '购物车',
					info: 0
				}],
				buttonGroup: [{
						text: '加入购物车',
						backgroundColor: '#ff0000',
						color: '#fff'
					},
					{
						text: '立即购买',
						backgroundColor: '#ffa200',
						color: '#fff'
					}
				]
			};
		},
		filters: {
			tofixed(num) {
				return Number(num).toFixed(2)
			}
		},
		computed: {

			...mapState("my_cart", []),
			...mapGetters("my_cart", ['total'])

		},
		methods: {
			...mapMutations('my_cart', ['addToCart']),

			async getGoodsDetail(goods_id) {
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/goods/detail', {
					goods_id
				})
				if (res.meta.status !== 200) {
					return uni.$showMsg()
				}
				res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g,
					'<img style="display:block;" ').replace(/webp/g, 'jpg')

				this.goods_info = res.message
			},
			preview(index) {

				uni.previewImage({
					current: index,
					urls: this.goods_info.pics.map(x => x.pics_big)
				})
			},
			onClick(e) {

				if (e.content.text === '购物车') {

					uni.switchTab({
						url: '/pages/cart/cart'
					})
				}
			},
			buttonClick(e) {
				if (e.content.text === '加入购物车') {

					const goods = {
						goods_id: this.goods_info.goods_id,
						goods_name: this.goods_info.goods_name,
						goods_price: this.goods_info.goods_price,
						goods_count: 1,
						goods_samll_logo: this.goods_info.goods_small_logo,
						goods_state: true
					}

					this.addToCart(goods)

				}
			},
		},
		watch: {
			// total(newValue) {

			// 	const findResult = this.options.find(item => item.text === '购物车')
			// 	if (findResult) {
			// 		findResult.info = newValue
			// 	}

			// }
			total: {
				handler(newValue) {
					const findResult = this.options.find(item => item.text === '购物车')
					if (findResult) {
						findResult.info = newValue
					}

				},
				immediate: true
			}
		},
		onLoad(options) {
			const goods_id = options.goods_id
			this.getGoodsDetail(goods_id)
		}
	}
</script>

<style lang="scss">
	.goods-detail-container {
		padding-bottom: 50px;
	}

	swiper {
		height: 750rpx;

		image {
			width: 100%;
			height: 100%;

		}
	}

	.goods-info-box {
		padding: 10px;
		padding-right: 0;

		.price {
			color: #c00000;
			font-size: 18px;
			margin: 10px 0;
		}

		.goods-info-body {
			display: flex;
			justify-content: space-between;

			.goods-name {
				font-size: 13px;
				margin-right: 10px;
			}

			.favi {
				width: 120px;
				font-size: 12px;
				display: flex;
				flex-direction: column;
				justify-content: center;
				align-items: center;
				border-left: 1px solid #eeeeee;
				color: gray;
			}
		}

		.yf {
			font-size: 12px;
			color: gray;
			margin: 10px 0;
		}
	}

	.goods-nav {
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
	}
</style>
